Home / 20,849.62-31,277.68-6,995.38

Finding the Fourth Proportional to 20,849.62, 31,277.68 and 6,995.38

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Solution

The fourth proportional to 20,849.62, 31,277.68 and 6,995.38 is: 10,494.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,849.62 : 31,277.68 = 6,995.38 : x
  2. Step 2: Convert to fraction form
    20,849.62/31,277.68 = 6,995.38/x
  3. Step 3: Cross multiply
    20,849.62x = 31,277.68 × 6,995.38
  4. Step 4: Simplify right side
    20,849.62x = 218,799,257.12
  5. Step 5: Solve for x
    x = 218,799,257.12/20,849.62
  6. Step 6: Final answer
    x = 10,494.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.